Measurement results by the hour (Ota) 25 Dec., 2017 - 31 Dec., 2017

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 31 Dec. 0.0370 0.0332 0.0356
22:01-23:00, Sun., 31 Dec. 0.0384 0.0339 0.0357
21:01-22:00, Sun., 31 Dec. 0.0376 0.0341 0.0355
20:01-21:00, Sun., 31 Dec. 0.0389 0.0339 0.0357
19:01-20:00, Sun., 31 Dec. 0.0379 0.0330 0.0356
18:01-19:00, Sun., 31 Dec. 0.0375 0.0343 0.0357
17:01-18:00, Sun., 31 Dec. 0.0374 0.0336 0.0356
16:01-17:00, Sun., 31 Dec. 0.0375 0.0337 0.0357
15:01-16:00, Sun., 31 Dec. 0.0398 0.0339 0.0359
14:01-15:00, Sun., 31 Dec. 0.0398 0.0348 0.0368
13:01-14:00, Sun., 31 Dec. 0.0407 0.0345 0.0368
12:01-13:00, Sun., 31 Dec. 0.0380 0.0338 0.0359
11:01-12:00, Sun., 31 Dec. 0.0388 0.0339 0.0361
10:01-11:00, Sun., 31 Dec. 0.0415 0.0350 0.0369
09:01-10:00, Sun., 31 Dec. 0.0422 0.0339 0.0384
08:01-09:00, Sun., 31 Dec. 0.0393 0.0333 0.0355
07:01-08:00, Sun., 31 Dec. 0.0377 0.0333 0.0356
06:01-07:00, Sun., 31 Dec. 0.0383 0.0331 0.0357
05:01-06:00, Sun., 31 Dec. 0.0376 0.0337 0.0352
04:01-05:00, Sun., 31 Dec. 0.0370 0.0338 0.0355
03:01-04:00, Sun., 31 Dec. 0.0371 0.0331 0.0354
02:01-03:00, Sun., 31 Dec. 0.0372 0.0333 0.0355
01:01-02:00, Sun., 31 Dec. 0.0378 0.0331 0.0351
00:01-01:00, Sun., 31 Dec. 0.0365 0.0326 0.0352
23:01-24:00, Sat., 30 Dec. 0.0371 0.0323 0.0354
22:01-23:00, Sat., 30 Dec. 0.0378 0.0338 0.0355
21:01-22:00, Sat., 30 Dec. 0.0370 0.0336 0.0354
20:01-21:00, Sat., 30 Dec. 0.0374 0.0328 0.0353
19:01-20:00, Sat., 30 Dec. 0.0370 0.0324 0.0351
18:01-19:00, Sat., 30 Dec. 0.0370 0.0334 0.0353
17:01-18:00, Sat., 30 Dec. 0.0394 0.0332 0.0352
16:01-17:00, Sat., 30 Dec. 0.0373 0.0329 0.0354
15:01-16:00, Sat., 30 Dec. 0.0373 0.0333 0.0354
14:01-15:00, Sat., 30 Dec. 0.0379 0.0330 0.0353
13:01-14:00, Sat., 30 Dec. 0.0381 0.0337 0.0356
12:01-13:00, Sat., 30 Dec. 0.0372 0.0339 0.0356
11:01-12:00, Sat., 30 Dec. 0.0370 0.0340 0.0355
10:01-11:00, Sat., 30 Dec. 0.0376 0.0341 0.0357
09:01-10:00, Sat., 30 Dec. 0.0374 0.0338 0.0355
08:01-09:00, Sat., 30 Dec. 0.0376 0.0319 0.0353
07:01-08:00, Sat., 30 Dec. 0.0370 0.0328 0.0352
06:01-07:00, Sat., 30 Dec. 0.0379 0.0336 0.0355
05:01-06:00, Sat., 30 Dec. 0.0371 0.0337 0.0354
04:01-05:00, Sat., 30 Dec. 0.0378 0.0336 0.0357
03:01-04:00, Sat., 30 Dec. 0.0376 0.0339 0.0356
02:01-03:00, Sat., 30 Dec. 0.0372 0.0335 0.0354
01:01-02:00, Sat., 30 Dec. 0.0381 0.0334 0.0356
00:01-01:00, Sat., 30 Dec. 0.0369 0.0332 0.0355
23:01-24:00, Fri., 29 Dec. 0.0384 0.0333 0.0356
22:01-23:00, Fri., 29 Dec. 0.0372 0.0331 0.0354
21:01-22:00, Fri., 29 Dec. 0.0375 0.0338 0.0356
20:01-21:00, Fri., 29 Dec. 0.0385 0.0336 0.0354
19:01-20:00, Fri., 29 Dec. 0.0372 0.0337 0.0356
18:01-19:00, Fri., 29 Dec. 0.0379 0.0339 0.0356
17:01-18:00, Fri., 29 Dec. 0.0370 0.0333 0.0355
16:01-17:00, Fri., 29 Dec. 0.0372 0.0328 0.0352
15:01-16:00, Fri., 29 Dec. 0.0368 0.0333 0.0353
14:01-15:00, Fri., 29 Dec. 0.0378 0.0334 0.0352
13:01-14:00, Fri., 29 Dec. 0.0370 0.0336 0.0350
12:01-13:00, Fri., 29 Dec. 0.0363 0.0332 0.0351
11:01-12:00, Fri., 29 Dec. 0.0371 0.0335 0.0352
10:01-11:00, Fri., 29 Dec. 0.0366 0.0326 0.0351
09:01-10:00, Fri., 29 Dec. 0.0372 0.0329 0.0350
08:01-09:00, Fri., 29 Dec. 0.0367 0.0326 0.0351
07:01-08:00, Fri., 29 Dec. 0.0377 0.0324 0.0351
06:01-07:00, Fri., 29 Dec. 0.0366 0.0334 0.0351
05:01-06:00, Fri., 29 Dec. 0.0375 0.0330 0.0351
04:01-05:00, Fri., 29 Dec. 0.0371 0.0329 0.0351
03:01-04:00, Fri., 29 Dec. 0.0385 0.0338 0.0351
02:01-03:00, Fri., 29 Dec. 0.0375 0.0328 0.0354
01:01-02:00, Fri., 29 Dec. 0.0384 0.0339 0.0353
00:01-01:00, Fri., 29 Dec. 0.0372 0.0330 0.0351
23:01-24:00, Thu., 28 Dec. 0.0391 0.0325 0.0351
22:01-23:00, Thu., 28 Dec. 0.0364 0.0333 0.0350
21:01-22:00, Thu., 28 Dec. 0.0369 0.0327 0.0347
20:01-21:00, Thu., 28 Dec. 0.0373 0.0328 0.0349
19:01-20:00, Thu., 28 Dec. 0.0370 0.0326 0.0350
18:01-19:00, Thu., 28 Dec. 0.0366 0.0330 0.0348
17:01-18:00, Thu., 28 Dec. 0.0371 0.0334 0.0349
16:01-17:00, Thu., 28 Dec. 0.0365 0.0325 0.0349
15:01-16:00, Thu., 28 Dec. 0.0372 0.0329 0.0352
14:01-15:00, Thu., 28 Dec. 0.0373 0.0332 0.0353
13:01-14:00, Thu., 28 Dec. 0.0368 0.0333 0.0352
12:01-13:00, Thu., 28 Dec. 0.0384 0.0326 0.0353
11:01-12:00, Thu., 28 Dec. 0.0376 0.0334 0.0358
10:01-11:00, Thu., 28 Dec. 0.0392 0.0336 0.0361
09:01-10:00, Thu., 28 Dec. 0.0393 0.0335 0.0361
08:01-09:00, Thu., 28 Dec. 0.0381 0.0333 0.0355
07:01-08:00, Thu., 28 Dec. 0.0371 0.0330 0.0354
06:01-07:00, Thu., 28 Dec. 0.0367 0.0333 0.0354
05:01-06:00, Thu., 28 Dec. 0.0372 0.0322 0.0351
04:01-05:00, Thu., 28 Dec. 0.0376 0.0339 0.0351
03:01-04:00, Thu., 28 Dec. 0.0368 0.0334 0.0351
02:01-03:00, Thu., 28 Dec. 0.0381 0.0333 0.0350
01:01-02:00, Thu., 28 Dec. 0.0371 0.0329 0.0353
00:01-01:00, Thu., 28 Dec. 0.0365 0.0334 0.0350
23:01-24:00, Wed., 27 Dec. 0.0366 0.0331 0.0351
22:01-23:00, Wed., 27 Dec. 0.0365 0.0336 0.0350
21:01-22:00, Wed., 27 Dec. 0.0373 0.0331 0.0354
20:01-21:00, Wed., 27 Dec. 0.0372 0.0333 0.0352
19:01-20:00, Wed., 27 Dec. 0.0369 0.0331 0.0349
18:01-19:00, Wed., 27 Dec. 0.0371 0.0333 0.0351
17:01-18:00, Wed., 27 Dec. 0.0371 0.0331 0.0353
16:01-17:00, Wed., 27 Dec. 0.0371 0.0332 0.0353
15:01-16:00, Wed., 27 Dec. 0.0369 0.0334 0.0354
14:01-15:00, Wed., 27 Dec. 0.0381 0.0328 0.0353
13:01-14:00, Wed., 27 Dec. 0.0378 0.0336 0.0355
12:01-13:00, Wed., 27 Dec. 0.0385 0.0338 0.0358
11:01-12:00, Wed., 27 Dec. 0.0381 0.0339 0.0359
10:01-11:00, Wed., 27 Dec. 0.0386 0.0329 0.0357
09:01-10:00, Wed., 27 Dec. 0.0374 0.0330 0.0356
08:01-09:00, Wed., 27 Dec. 0.0375 0.0331 0.0356
07:01-08:00, Wed., 27 Dec. 0.0382 0.0327 0.0353
06:01-07:00, Wed., 27 Dec. 0.0372 0.0333 0.0355
05:01-06:00, Wed., 27 Dec. 0.0373 0.0333 0.0354
04:01-05:00, Wed., 27 Dec. 0.0384 0.0329 0.0357
03:01-04:00, Wed., 27 Dec. 0.0378 0.0345 0.0359
02:01-03:00, Wed., 27 Dec. 0.0384 0.0335 0.0360
01:01-02:00, Wed., 27 Dec. 0.0382 0.0337 0.0358
00:01-01:00, Wed., 27 Dec. 0.0375 0.0337 0.0358
23:01-24:00, Tue., 26 Dec. 0.0372 0.0344 0.0358
22:01-23:00, Tue., 26 Dec. 0.0397 0.0343 0.0358
21:01-22:00, Tue., 26 Dec. 0.0383 0.0338 0.0359
20:01-21:00, Tue., 26 Dec. 0.0379 0.0330 0.0354
19:01-20:00, Tue., 26 Dec. 0.0375 0.0335 0.0355
18:01-19:00, Tue., 26 Dec. 0.0380 0.0336 0.0356
17:01-18:00, Tue., 26 Dec. 0.0377 0.0336 0.0357
16:01-17:00, Tue., 26 Dec. 0.0393 0.0341 0.0359
15:01-16:00, Tue., 26 Dec. 0.0380 0.0342 0.0358
14:01-15:00, Tue., 26 Dec. 0.0373 0.0333 0.0357
13:01-14:00, Tue., 26 Dec. 0.0375 0.0336 0.0357
12:01-13:00, Tue., 26 Dec. 0.0383 0.0332 0.0359
11:01-12:00, Tue., 26 Dec. 0.0378 0.0330 0.0358
10:01-11:00, Tue., 26 Dec. 0.0396 0.0340 0.0359
09:01-10:00, Tue., 26 Dec. 0.0374 0.0336 0.0359
08:01-09:00, Tue., 26 Dec. 0.0377 0.0327 0.0356
07:01-08:00, Tue., 26 Dec. 0.0374 0.0335 0.0354
06:01-07:00, Tue., 26 Dec. 0.0372 0.0332 0.0355
05:01-06:00, Tue., 26 Dec. 0.0381 0.0342 0.0358
04:01-05:00, Tue., 26 Dec. 0.0373 0.0337 0.0356
03:01-04:00, Tue., 26 Dec. 0.0371 0.0338 0.0356
02:01-03:00, Tue., 26 Dec. 0.0396 0.0327 0.0360
01:01-02:00, Tue., 26 Dec. 0.0388 0.0338 0.0360
00:01-01:00, Tue., 26 Dec. 0.0383 0.0344 0.0359
23:01-24:00, Mon., 25 Dec. 0.0383 0.0347 0.0363
22:01-23:00, Mon., 25 Dec. 0.0392 0.0346 0.0363
21:01-22:00, Mon., 25 Dec. 0.0404 0.0339 0.0366
20:01-21:00, Mon., 25 Dec. 0.0391 0.0343 0.0363
19:01-20:00, Mon., 25 Dec. 0.0387 0.0337 0.0361
18:01-19:00, Mon., 25 Dec. 0.0393 0.0345 0.0363
17:01-18:00, Mon., 25 Dec. 0.0383 0.0345 0.0360
16:01-17:00, Mon., 25 Dec. 0.0402 0.0339 0.0360
15:01-16:00, Mon., 25 Dec. 0.0379 0.0337 0.0358
14:01-15:00, Mon., 25 Dec. 0.0380 0.0337 0.0356
13:01-14:00, Mon., 25 Dec. 0.0381 0.0331 0.0357
12:01-13:00, Mon., 25 Dec. 0.0381 0.0336 0.0359
11:01-12:00, Mon., 25 Dec. 0.0376 0.0337 0.0359
10:01-11:00, Mon., 25 Dec. 0.0389 0.0338 0.0361
09:01-10:00, Mon., 25 Dec. 0.0389 0.0337 0.0360
08:01-09:00, Mon., 25 Dec. 0.0378 0.0339 0.0357
07:01-08:00, Mon., 25 Dec. 0.0373 0.0333 0.0358
06:01-07:00, Mon., 25 Dec. 0.0385 0.0343 0.0362
05:01-06:00, Mon., 25 Dec. 0.0409 0.0351 0.0374
04:01-05:00, Mon., 25 Dec. 0.0455 0.0365 0.0411
03:01-04:00, Mon., 25 Dec. 0.0508 0.0428 0.0461
02:01-03:00, Mon., 25 Dec. 0.0475 0.0392 0.0434
01:01-02:00, Mon., 25 Dec. 0.0443 0.0366 0.0416
00:01-01:00, Mon., 25 Dec. 0.0441 0.0379 0.0404